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Kono Sandstone Member

Invalid synonym: Okuyama Member

• Type locality: Kono - Okuyama tunnel - Saimyoji, Fukuoka town, Takaoka city, Toyama prefecture
• Coherent formation
• Miocene
• Correlation: Mio Sandstone Member, Kareidani Alternation of Sandstone and Mudstone Member

• Sedimentary facies: Submarine fan
• Lithofacies: Turbidite
• Lithofacies: Sandstone-dominant interbedded sandstone and mudstone
• Lithofacies (Minor): Sandstone, Gravel-bearing mudstone, Mudstone
• Sedimentary structures: Graded bedding, Slump structures, Parallel stratification

• Thickness: ca. 40 - 250 m
• Upper limit: Interfingered (Sengoku Mudstone Member)
• Lower limit: Conformity (Goi Mudstone Member)

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Kono - Okuyama tunnel - Saimyoji - Goi - Tochioka, Fukuoka town, Takaoka city, Toyama pref.; Nishihirotani, Takaoka city, Toyama pref.; Busshoji, Himi city, Toyama pref.; Kareidani - Sengoku - Dotsubono, Oyabe city, Toyama pref.; Ikegahara, Tsubata city, Kahoku county, Ishikawa pref.
• Fossils: Barnacles, Echinoids (Spicules)
• Fossils (Shellfishes): Anadara sp., Anomia sp., Chlamys sp., Crepidula sp., Venericardia sp., Yoldia sp.

• Sumi et al. (1989) Geology of the Isurugi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)